Add startOfDay & endOfDay methods

app/src/main/java/net/pokeranalytics/android/util/extensions/DateExtension.kt

@@ -96,3 +96,25 @@ fun Date.getFormattedDuration(toDate: Date) : String {
 
     return "$hoursStr:$minutesStr"
 }
+
+// Return the date of the beginning of the current date
+fun Date.startOfTheDay() : Date {
+    val calendar = Calendar.getInstance()
+    calendar.time = this
+    calendar.set(Calendar.HOUR_OF_DAY, 0)
+    calendar.set(Calendar.MINUTE, 0)
+    calendar.set(Calendar.SECOND, 0)
+    calendar.set(Calendar.MILLISECOND, 0)
+    return calendar.time
+}
+
+// Return the date of the end of the current date
+fun Date.endOfTheDay() : Date {
+    val calendar = Calendar.getInstance()
+    calendar.time = this
+    calendar.set(Calendar.HOUR_OF_DAY, 23)
+    calendar.set(Calendar.MINUTE, 59)
+    calendar.set(Calendar.SECOND, 59)
+    calendar.set(Calendar.MILLISECOND, 999)
+    return calendar.time
+}